JCB Hydraulic Gear Pump | 20/602100 20/925353 | 332/G5722 333/D3951 | 3CX 4CX Parts

The JCB Specific Hydraulic Series from LIC Hydraulic represents a premium line of Heavy-Duty Gear Pumps engineered for the world’s most popular backhoe loaders. Part numbers like 20/602100, 332/G5722, and 333/D3951 are designed to meet the rigorous flow and pressure requirements of JCB 3CX and 4CX machinery. Featuring a high-strength design that balances power and durability, these pumps ensure your equipment maintains factory-standard lifting and digging performance. We provide 100% drop-in replacements, matching the exact shaft splines, mounting flanges, and port locations of your original equipment.

Technical Highlights

• Compatibility: Direct fit for JCB 3CX, 4CX, and 5CX Backhoe Loaders.

• Design: Multi-section gear pump (Double or Triple stages).

• Max Pressure: Continuous duty up to $250\text{ bar}$ ($3625\text{ psi}$).

• Material: High-tensile alloy body with hardened steel rotating groups.

Core Advantages

• OEM-Matched Performance: Every pump is calibrated to deliver the precise GPM (Gallons Per Minute) required for synchronized movements of the front loader and rear backhoe attachments.

• Rugged Construction: Built to survive the vibration and debris-filled environments of construction sites, using premium seals that resist high-temperature degradation.

• Efficiency Under Load: The pressure-compensated side plates minimize internal oil bypass, maintaining high volumetric efficiency even when the system is pushed to its maximum relief pressure.

• Simplified Installation: Our JCB series pumps are manufactured to the exact geometric tolerances of the original units, allowing for a seamless “plug-and-play” replacement without modifying hydraulic hoses or brackets.

Expert Maintenance Tips

• Hydraulic Fluid Flushing: When replacing a failed pump (especially if it “grenaded”), it is critical to flush the entire hydraulic tank and lines. Residual metal particles will destroy a new 332/G5722 pump within hours.

• Filter Change: Always install a new JCB-spec 10-micron return filter and suction strainer during pump replacement to ensure the long-term protection of the precision gear teeth.

• Shaft Seal Protection: During installation, ensure the splined shaft is properly lubricated and the mounting bolts are torqued evenly to prevent misalignment, which is the leading cause of premature shaft seal leaks.